CN215382728U

CN215382728U - Child safety chair

Info

Publication number: CN215382728U
Application number: CN202120333342.0U
Authority: CN
Inventors: 谢岩
Original assignee: Linyi Ruixing Teaching Equipment Co ltd
Current assignee: Linyi Ruixing Teaching Equipment Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2022-01-04
Anticipated expiration: 2031-02-05

Abstract

The utility model provides a child safety chair which comprises a chair base, a chair seat plate and a chair backrest plate, wherein the chair base comprises a supporting frame, two supporting front legs and two supporting rear legs, the supporting frame is in an isosceles trapezoid shape, and trapezoidal fixing blocks are fixed at the positions of four inner angles of the supporting frame through fastening screws; the two side edges of the supporting frame are respectively provided with an extending part in a backward extending mode, the two supporting rear legs are respectively connected with the extending parts through tenon-and-mortise structures, the upper ends of the supporting rear legs are provided with mounting grooves, the chair back plate is fixedly mounted on the mounting grooves, and the two angular positions of the lower bottom of the supporting frame are symmetrically provided with supporting front legs; the chair seat plate is fixed on the chair base through the trapezoidal fixed block, and a fastening screw is arranged between the trapezoidal fixed block and the chair seat plate. The utility model has simple structure, reasonable design and high safety.

Description

Child safety chair

Technical Field

The utility model belongs to the field of chairs, and particularly relates to a child safety chair.

Background

Along with the development of the education industry, parents pay more and more attention to the safety problem of children, chairs are teaching tools frequently used in kindergarten teaching, but most of the existing children chairs do not have good safety, children are easy to fall down after sitting up,

in view of the problems in the prior art, the present invention provides a child safety chair.

SUMMERY OF THE UTILITY MODEL

Aiming at some problems in the prior art, the utility model provides the child safety chair which has the characteristics of simple structure, convenience in manufacturing and high safety coefficient.

In order to realize the technology, the technical scheme provided by the utility model is as follows:

a child safety chair comprises a chair base, a chair seat plate and a chair backrest plate, wherein the chair base comprises a supporting frame, two supporting front legs and two supporting rear legs, the supporting frame is in an isosceles trapezoid shape, and trapezoid fixing blocks are fixed at the positions of four inner angles of the supporting frame through fastening screws;

the two side edges of the supporting frame are respectively provided with an extending part in a backward extending mode, the two supporting rear legs are respectively connected with the extending parts through tenon-and-mortise structures, the upper ends of the supporting rear legs are provided with mounting grooves, the chair back plate is fixedly mounted on the mounting grooves, and the two angular positions of the lower bottom of the supporting frame are symmetrically provided with supporting front legs;

the chair seat plate is fixed on the chair base through the trapezoidal fixed block, and a fastening screw is arranged between the trapezoidal fixed block and the chair seat plate.

Preferably, the chair back board is arc-shaped, the circle center of the chair back board is in the direction of the chair seat board, and the left end face and the right end face of the chair back board are arc faces. The chair backrest plate is arc-shaped, so that the chair backrest plate can be more attached to a human body, and the sitting comfort is improved.

Preferably, the chair seat plate is provided with round corners at four corners, and the upper edge of the chair seat plate is provided with the round corners.

Preferably, the height of the front supporting legs is 1/2 of the height of the rear supporting legs, wherein the included angles between the front supporting legs and the rear supporting legs and the ground are 84-86 degrees, and compared with the included angles which are vertical to the ground, the arrangement is more stable and is not easy to topple.

Preferably, the edge of chair back board all is provided with the fillet, sets up the fillet here and can prevent child's hand from being cut, and more comfortable when sitting has improved the travelling comfort simultaneously.

The utility model has the following positive effects:

1. the trapezoidal fixed blocks are arranged at the positions of the four inner corners of the supporting frame, so that the supporting frame can be better fixed, the overall mechanical strength of the chair is enhanced, the safety of the chair is greatly improved, the using amount of white latex is reduced, and the chair is more environment-friendly.

2. The angle between the front supporting legs and the rear supporting legs and the ground is 84-86 degrees, and the arrangement of the angle ensures that the chair has a certain anti-falling function while ensuring that the occupied area of the chair is small.

3. The edge at the chair is provided with the fillet to the edge is provided with great arc surface, can prevent child's hand from being cut, and more comfortable when sitting simultaneously has improved the travelling comfort.

Drawings

In order that the present disclosure may be more readily understood, the present disclosure is further described in connection with the following detailed description of the specific embodiments taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic view of a child safety chair according to the present invention;

FIG. 2 is a schematic view of a chair base in a child safety chair according to the present invention;

FIG. 3 is a schematic view of the installation of a back plate of a child safety chair according to the present invention;

fig. 4 is a schematic diagram of a mortise and tenon structure in the child safety chair.

Reference numerals:

1-chair base, 101-supporting front legs, 102-supporting frames, 103-supporting rear legs, 104-extending parts, 2-chair seat plate, 3-chair backrest plate, 301-mounting groove and 4-mortise and tenon joint structure.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "back-up", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Fig. 1-3 are schematic structural views of a child safety chair of the present invention, which includes a chair base 1, a chair seat plate 2 and a chair backrest plate 3, wherein the chair base 1 includes a supporting frame 101, two supporting front legs 102 and two supporting rear legs 103, the supporting frame 101 is an isosceles trapezoid, and trapezoidal fixing blocks 105 are fixed at four inner angles of the supporting frame 101 by fastening screws;

two side edges of the supporting frame 101 are respectively provided with an extending part 104 in a backward extending mode, the two supporting rear legs 103 are respectively connected with the extending parts 104 through tenon-and-mortise structures 4, the upper ends of the supporting rear legs 103 are provided with mounting grooves 301, the chair back plate 3 is fixedly mounted on the mounting grooves 301, and the two angular positions of the lower bottom of the supporting frame 101 are symmetrically provided with supporting front legs 101;

the chair seat plate 2 is fixed on the chair base 1 through a trapezoidal fixing block 105, and a fastening screw is arranged between the trapezoidal fixing block 105 and the chair seat plate 2.

Further, the chair backboard 3 is arc-shaped, the circle center of the chair backboard is in the direction of the chair seat plate 2, and the left end surface and the right end surface of the chair backboard 3 are arc surfaces.

Furthermore, the four corners of the chair seat plate 2 are provided with round corners, and the upper edge of the chair seat plate is provided with round corners.

Further, the height of the front support legs 101 is 1/2 degrees, the height of the rear support legs 103, wherein the front support legs 101 and the rear support legs 102 are both at an angle of 84-86 degrees to the ground. The included angle between the front supporting leg 101 and the rear supporting leg 103 and the ground is set to be 84-86 degrees, and compared with the included angle perpendicular to the ground, the arrangement is more stable and is not easy to topple.

Further, the edge of the chair backrest plate 3 is provided with a round angle, the round angle is arranged to prevent hands of children from being cut, meanwhile, the chair backrest plate is more comfortable when sitting, and the comfort is improved.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions, all of which are within the scope of the claims appended hereto.

Claims

1. The utility model provides a children's safety chair, includes chair base (1), chair bedplate (2) and chair back board (3), its characterized in that: the chair base (1) comprises a supporting frame (102), two supporting front legs (101) and two supporting rear legs (103), wherein the supporting frame (102) is in an isosceles trapezoid shape, and trapezoid fixing blocks (105) are fixed at the positions of four inner angles of the supporting frame (102) through fastening screws;

two side edges of the supporting frame (102) extend backwards to form extending parts (104), two supporting rear legs (103) are connected with the extending parts (104) through mortise and tenon structures (4), the upper ends of the supporting rear legs (103) are provided with mounting grooves (301), the chair backrest plate (3) is mounted and fixed on the mounting grooves (301), and the two angular positions of the lower bottom of the supporting frame (102) are symmetrically provided with supporting front legs (101);

the chair seat plate (2) is fixed on the chair base (1) through a trapezoidal fixing block (105), and a fastening screw is arranged between the trapezoidal fixing block (105) and the chair seat plate (2);

the height of the front supporting legs (101) is 1/2 degrees which is the height of the rear supporting legs (103), wherein the angles between the front supporting legs (101) and the rear supporting legs (103) and the ground are 84-86 degrees.

2. A child safety chair according to claim 1, wherein: the chair backrest plate (3) is arc-shaped, the circle center of the chair backrest plate is in the direction of the chair seat plate (2), and the left end face and the right end face of the chair backrest plate (3) are arc faces.

3. A child safety chair according to claim 1, wherein: the chair seat plate (2) is characterized in that the four corners of the chair seat plate are provided with round corners, and the upper edge of the chair seat plate is provided with the round corners.

4. A child safety chair according to claim 2, wherein: the edges of the chair backrest plate (3) are provided with round corners.